Flush valve actuator



FIG. 1 is a left front perspective view of a flush valve actuator showing our new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showings of FIGS. 1-7 are environmental only and not part of the claimed design. 

The ornamental design for a flush valve actuator, as shown and described. 